Home / 105,468.48-158,144.40-80,177.04

Finding the Fourth Proportional to 105,468.48, 158,144.40 and 80,177.04

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Solution

The fourth proportional to 105,468.48, 158,144.40 and 80,177.04 is: 120,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,468.48 : 158,144.40 = 80,177.04 : x
  2. Step 2: Convert to fraction form
    105,468.48/158,144.40 = 80,177.04/x
  3. Step 3: Cross multiply
    105,468.48x = 158,144.40 × 80,177.04
  4. Step 4: Simplify right side
    105,468.48x = 12,679,549,884.58
  5. Step 5: Solve for x
    x = 12,679,549,884.58/105,468.48
  6. Step 6: Final answer
    x = 120,221.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.